CVE-2022-22682 : Vulnerability Insights and Analysis

A detailed analysis of CVE-2022-22682, a Cross-Site Scripting vulnerability in Synology Calendar before version 2.4.5-10930.

Understanding CVE-2022-22682

This CVE refers to an 'Improper Neutralization of Input During Web Page Generation' vulnerability in Synology Calendar that allows remote authenticated users to inject arbitrary web script or HTML.

What is CVE-2022-22682?

The vulnerability in Event Management in Synology Calendar before version 2.4.5-10930 allows remote authenticated users to perform Cross-Site Scripting attacks by injecting malicious web scripts or HTML.

The Impact of CVE-2022-22682

With a CVSS base score of 6.5, this medium-severity vulnerability can lead to the unauthorized injection of scripts or HTML by remote attackers, potentially compromising data integrity.

Technical Details of CVE-2022-22682

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from improper handling of input during web page generation, enabling attackers to execute Cross-Site Scripting attacks.

Affected Systems and Versions

Synology Calendar versions earlier than 2.4.5-10930 are impacted by this vulnerability, allowing remote authenticated users to exploit the issue.

Exploitation Mechanism

Remote authenticated users can exploit this vulnerability by injecting malicious web scripts or HTML via unspecified vectors in the Event Management feature of Synology Calendar.

Mitigation and Prevention

To secure systems from CVE-2022-22682, the following mitigation steps can be taken.

Immediate Steps to Take

Update Synology Calendar to version 2.4.5-10930 or newer to patch the vulnerability.
Monitor and restrict user inputs to prevent script or HTML injections.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs effectively.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Regularly check for security updates from Synology and apply patches promptly to protect the system from potential threats.